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function scale(array, min, max) {

    var minMax=ML.Stat.array.minMax(array);
if (minMax.max===minMax.min) throw new Error('normalize: max must be different from in');
    var slope=(max-min)/(minMax.max-minMax.min);
    console.log(slope);
    for (var i=0; i<array.length; i++) {
        array[i]=(array[i]-minMax.min)*slope+min;
    }
    console.log(array);
    return array;
}